Keg Trub

Discussion in 'Homebrewing' started by OldBrewer, Mar 23, 2019.

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  1. billandsuz

    billandsuz Pooh-Bah (2,097) Sep 1, 2004 New York
    Pooh-Bah

    Awesome nugget.

    Do you suppose the lagering benefits unrelated to brightness are also the same at 40 as closer to 32?
     
    #21 billandsuz, Mar 25, 2019
  2. NeroFiddled

    NeroFiddled Grand High Pooh-Bah (7,276) Jul 8, 2002 Pennsylvania
    Pooh-Bah Trader

    Yes I do, but I have nothing to back that up. It just seems to me that anything that's going on will work better at a temperature above freezing. I don't know if the yeast are at all active at that point, or if we're just talking about chemical reactions, but the colder it is the slower anything will take place.
     
    #22 NeroFiddled, Mar 25, 2019
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  3. OldBrewer

    OldBrewer Maven (1,385) Jan 13, 2016 Canada (ON)

    How do you pull the yeast out and still leave the rest for fining? So you have a conical where you can do this? Are there other ways to do this if you don't have a conical? Or do you rack it into another carboy first?

    Yes, I was not aware of another term for "yeast trub". Perhaps "yeast sediment"? I generally have almost zero hop/protein/etc trub in my keg. Just mostly a lot of 'yeast sediment' since it takes so long for the yeast to drop out of suspension.

    It definitely sounds as though you have a conical fermenter where you can draw off the lower part. This is not possible for us using glass carboys for fermenters.

    Thank you - I was not aware of that. However it's no difficulty for me to lower the temperature. If anything, I would assume that the yeast drops out more at the lower temperatures. I have heard of some lager yeasts still being active at temperatures of about 40 F.
     
    #23 OldBrewer, Mar 25, 2019
  4. NeroFiddled

    NeroFiddled Grand High Pooh-Bah (7,276) Jul 8, 2002 Pennsylvania
    Pooh-Bah Trader

    Yes, conical. Otherwise you'd rack to a secondary, hopefully filling it with CO2 first and letting it sit for a bit so that the gasses can stabilize.
     
    #24 NeroFiddled, Mar 25, 2019
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